PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

0-4-2-1O-Ring

Bird-Johnson Propeller Company, Llc · NSN 5331-01-543-2131 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-543-2131 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-543-2131. Primary manufacturer part number: 0-4-2-1.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.250 INCHES NOMINAL IN
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • Center Hole Diameter: 18.000 INCHES NOMINAL IN
  • 2 verified cross-references
  • Primary manufacturer: Bird-Johnson Propeller Company, Llc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Butadiene-Acrylonitrile Class Nbr construction
General Description

The O-Ring, cataloged under National Stock Number 5331-01-543-2131, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Bird-Johnson Propeller Company, Llc. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-543-2131
Primary Part Number0-4-2-1
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerBird-Johnson Propeller Company, Llc
StatusACTIVE
Cross-Sectional Height0.250 INCHES NOMINAL IN
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Center Hole Diameter18.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5360-00-344-0358 INTERCHANGEABLE
Spring,helical,compression
5905-00-557-62890421 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
5330-00-650-4953042-1 INTERCHANGEABLE
Gasket
Microwave Devices Inc
3040-00-737-37867373786 INTERCHANGEABLE
Shaft,straight
U S Army Tank Automotive Command Amsta-Im-Mm
6250-01-208-926104-21 INTERCHANGEABLE
Lampholder Assembly
Illinois Tool Works Inc Dba Illinois Tool Works Inc Div Illinois Tool Works
Cross-Reference Index
Part NumberManufacturer
0-4-2-1 PRIMARY Bird-Johnson Propeller Company, Llc (USA)
114451003 FN 22 Bird-Johnson Propeller Company, Llc (USA)
Related Parts
5360-00-344-0358INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5905-00-557-6289INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
0421
5330-00-650-4953INTERCHANGEABLE
GASKET
042-1
3040-00-737-3786INTERCHANGEABLE
SHAFT,STRAIGHT
7373786
6250-01-208-9261INTERCHANGEABLE
LAMPHOLDER ASSEMBLY
04-21

Frequently Asked Questions

What is NSN 5331-01-543-2131?

NSN 5331-01-543-2131 is a O-Ring, manufactured by Bird-Johnson Propeller Company, Llc, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-543-2131?

NSN 5331-01-543-2131 has 2 cross-referenced part numbers: 0-4-2-1 (Bird-Johnson Propeller Company, Llc), 114451003 FN 22 (Bird-Johnson Propeller Company, Llc).

What NSN replaces 5331-01-543-2131?

There are 5 known substitutes for 5331-01-543-2131: 5360-00-344-0358, 5905-00-557-6289, 5330-00-650-4953 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 0-4-2-1?

Key specifications for 0-4-2-1: Cross-Sectional Height: 0.250 INCHES NOMINAL IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Center Hole Diameter: 18.000 INCHES NOMINAL IN; End Item Identification: CP PROPELLER SYSTEM LHD-8. 4 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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